Multiple choice

Talc contains which of the following?

  1. Zinc, calcium and oxygen

  2. Calcium, oxygen and tin

  3. Magnesium, silicon and oxygen

  4. Zinc, tin and sulphur
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Talc is a hydrated magnesium silicate mineral with the chemical formula Mg3Si4O10(OH)2, composed of magnesium, silicon, and oxygen. It is used in talcum powder and cosmetics due to its softness and ability to absorb moisture. Options A, B, and D incorrectly list elements like zinc, calcium, and tin which are not found in talc.

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